<!DOCTYPE HTML>
<html>
<head>
    <style type="text/css">
        #paper {
            background-color:#FFF3CC;
            border:#DFBC6A 1px solid;
            width:100px;
            height:100px;
            padding:8px;
            font-size:18px;
            text-align:center;
        }
        #recycle_bin {
            background-color:#CCC;
            width:200px;
            height:200px;
            padding:8px;
            font-size:18px;
            text-align:center;
        }
    </style>
    <script type="text/javascript">
        var isRecycled = false;
        function appStatus(msg){
            document.getElementById('app_status').innerHTML = msg;
        }
        // "e" represents the drag event in question for each drag function
        function drag_start(e) {
            appStatus("Dragging the "+e.target.getAttribute('id'));
            e.dataTransfer.dropEffect='move';
            e.dataTransfer.setData("text/plain", e.target.getAttribute('id'));
        }
        function drag_enter(e) {
            appStatus("You are dragging over the "+e.target.getAttribute('id'));
        }
        function drag_leave(e) {
            appStatus("You left the "+e.target.getAttribute('id'));
        }
        function drag_drop(e) {
            var element = e.dataTransfer.getData("Text");
            appStatus("Dropped "+element+" into the "+e.target.getAttribute('id'));
            e.target.appendChild(document.getElementById(element));
            isRecycled = true;
            document.getElementById(element).removeAttribute("draggable");
        }
        function drag_end(e) {
            var status = document.getElementById('app_status');
            if(isRecycled == false){
                appStatus("You let the "+e.target.getAttribute('id')+" go.");
            }
        }
    </script>
</head>
<body>
<h2>HTML5 Drag and Drop Demo - DevelopPHP.com</h2>
<h3 id="app_status">App status area ready...</h3>
<div id="recycle_bin" ondragenter="drag_enter(event)" ondrop="drag_drop(event)" ondragover="return false" ondragleave="drag_leave(event)" >
    Recycle Bin
</div>
<hr />
<div id="paper" draggable="true" ondragstart="drag_start(event)" ondragend="drag_end(event)">
    Paper
</div>
</body>
</html>